equivocado

listen to the pronunciation of equivocado
İspanyolca - Türkçe
yanlış
İspanyolca - İngilizce
wrong, mistaken
misguided
lost
inadvertent
off the track
mistaken

It appears to me you are mistaken. - Me parece que estás equivocado.

I must admit that I was mistaken. - Debo admitir que estuve equivocado.

off base